somewhere in america... the slightest breeze harbors immense power. the tallest buildings leave the lightest footprints. a fifty-ton train makes barely a mark on the environment. and a country facing climate change finds climate solutions. somewhere in america, we've already answered some of the nation's toughest questions. and the over sixty thousand people of siemens are ready to do it again. siemens. answers. siemens. >>> how many opportunities will president obama have to appoint supreme court justices before the end of his term? >> he's got stevens, he may get one more. >> he may get a second. >> i agree, a grand total of three. >> three. >> he will have three before his term is